7 results about "High risk environment" patented technology

This application relates to a method, system, equipment, and medium for assessing the ESG resilience of heating facilities. The method includes: first, acquiring facility type data and dynamic environmental indicators; then, filtering and extracting environmental performance parameters and social demand indicators for heating scenarios to form a preliminary screening dataset; using a random forest algorithm to calculate the impact degree of dynamic environmental factors, obtaining a subset of high-risk environmental performance; extracting governance factor data and training a risk prediction model using a support vector machine algorithm; based on the equilibrium point output by the model, iteratively optimizing to obtain factor balance index data; simultaneously acquiring emission relationship index data and using a random forest algorithm for regression analysis to construct an emission relationship model; finally, extracting allocation fairness features, matching social demand to form an assessment framework, and integrating data to determine the adjustment results for the heating facility resilience assessment. This method can accurately reflect the actual resilience level of heating facilities and improve the scenario adaptability and generalization ability of the assessment method.

This invention discloses a protection and control method and system for energy storage converter testing under extreme environments. The method includes calibrating the parameters of a multiphysics reduced-order simulation model based on measured performance data to obtain a calibrated multiphysics reduced-order simulation model; embedding a device-level performance degradation proxy model into the calibrated multiphysics reduced-order simulation model to obtain a system-level simulation model; inputting environmental parameter samples into the system-level simulation model for simulation, obtaining risk assessment results based on the performance simulation result set, and selecting at least one high-risk environmental parameter combination; obtaining corresponding physical test cases, driving test equipment to perform physical extreme environment tests on the energy storage converter, comparing the measured results with the prediction results obtained by the system-level simulation model based on the corresponding high-risk environmental parameter combination simulation, and optimizing the parameters of the multiphysics reduced-order simulation model and the device-level performance degradation proxy model to ensure the reliability of the energy storage converter operating under extreme environments.

The application discloses a server identity authentication method, a client identity authentication method, a server, a client, a dynamic authentication system, a computer device and a computer program product. The server identity authentication method comprises the following steps: receiving a login request sent by a client and containing a user credential; performing verification processing on the user credential to obtain a verification result; when the verification result is successful, performing risk assessment to obtain a risk assessment result; when the risk assessment result is a high-risk environment, temporarily storing state information of successful verification and sending an authentication failure response message to the client, the authentication failure response message being consistent with a real authentication failure response in preset characteristics; receiving environment verification information; performing identity authenticity verification based on the environment verification information; and when the identity verification result is passed, returning an authentication success response to the client, the authentication failure response message being consistent with the real authentication failure response in the preset characteristics, so that runtime fraud prevention is realized and security is improved.

The application discloses a kind of safety control system and method of explosion-proof automatic guided vehicle based on security tree logic, system is obtained by acquisition module real-time acquisition vehicle body operation and environmental parameter, adopt the two-way reasoning mechanism of safety degree from bottom to top layer by layer calculation, from top to bottom reverse positioning risk source, root node safety degree and the node combination that causes target safety condition to weaken are jointly used as safety judgment basis, and set early warning speed limit, controlled parking and explosion-proof isolation, emergency power-off and energy isolation three-level response.The application can self-adaptively adjust node weight and credibility coefficient, suppress sensor misjudgment, realize multivariate coupling risk accurate identification, automatically guide safety state when fault, significantly improve the running safety, reliability and anti-interference ability of explosion-proof AGV in high-risk environment, adapt to petrochemical, coal mine, military and other explosion-proof scenes.

The utility model discloses a kind of filling air return shaft ladder platform devices suitable for downward filling mining method, belong to underground filling technical field, the utility model includes filling air return shaft, several platforms are arranged inside the filling air return shaft, ladder is arranged between adjacent two platforms, the platform is mainly fixedly connected in air return shaft inboard wall by bolt, avoid the safety risk caused by welding in high altitude limited space, the upper end of the ladder is passed through U type hook, the lower end is passed through second support frame, stably fixed between two platforms, dismounting is convenient and flexible, the problem of long operation time of original welding method is solved, overall design improves installation efficiency and the convenience of maintenance, suitable for the safety operation demand of high-risk environment in well.

This invention discloses an emergency escape window, comprising: a window body, the main frame of which is made of reinforced steel or special alloy material and equipped with a multi-layer composite glass panel; a folding airbag, integrated and stored in the lower or side frame of the window body, made of high-strength, flame-retardant, and tear-resistant composite plastic, the airbag being highly compressed when not deployed, and designed as a slide with protective sidewalls; and a window-breaking ejection button located on the surface of the window body. This emergency escape window, by combining robust explosion-proof performance with a second-level response escape route, provides users with an independent, reliable, and rapid lifeline in emergencies, greatly improving the survival rate in high-risk environments and effectively reducing casualties. The inflatable slide provides a buffered and guided descent path, avoiding the impact injuries from high-altitude jumps and potential stampedes in chaos.